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10161259983 = 327198488939
BaseRepresentation
bin10010111011010100…
…01000010111001111
3222020011012111020100
421131222020113033
5131302240304413
64400143022143
7506543166450
oct113552102717
928204174210
1010161259983
114344848026
121b76b9a953
13c5c22c594
146c573d127
153e7113a73
hex25da885cf

10161259983 has 24 divisors (see below), whose sum is σ = 17656995200. Its totient is φ = 5500831824.

The previous prime is 10161259981. The next prime is 10161260003. The reversal of 10161259983 is 38995216101.

It is not a de Polignac number, because 10161259983 - 21 = 10161259981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10161259981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4243273 + ... + 4245666.

Almost surely, 210161259983 is an apocalyptic number.

10161259983 is a deficient number, since it is larger than the sum of its proper divisors (7495735217).

10161259983 is a wasteful number, since it uses less digits than its factorization.

10161259983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8488971 (or 8488968 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 10161259983 in words is "ten billion, one hundred sixty-one million, two hundred fifty-nine thousand, nine hundred eighty-three".

Divisors: 1 3 7 9 19 21 57 63 133 171 399 1197 8488939 25466817 59422573 76400451 161289841 178267719 483869523 534803157 1129028887 1451608569 3387086661 10161259983